| Acronym | Meaning |
| PERCI | Photoelectron Resonance Capture Ionization |
| ESCAPE | Evaluation Of Strategies To Address Climate Change By Adapting To And Preventing Emissions |
| NSE | Neutron Spin Echo |
| CSR | Constant Sampling Rate |
| CCS | Contract Compliance Screening |
| FGGE | First GARP Global Experiment |
| SPG | Sequential Product (of) Geminals |
| LCOPW | Linear Combination Of Orthogonalized Plane Waves |
| GISS | Goddard Institute For Space Studies |
| SCHAZ | Subcritical Heat-affected Zone |